Finish-remover.



UNITED STATES PATENT oFFioE.

CARLETON ELLIS, OF LARCHMONT, NEW YORK, ASSIGNOR T CHADELOID CHEMICAL COM?ANY, OF NEW YORK, N. Y., A CORPORATION OF WEST-VIRGINIA.

FINISH-REMOVER.

Specification of Letters Patent.

No Drawing. Application filed January 27, 1909, Serial No. 474 890. Renewed December 9, 1912. Serial No. 735,845.

To all whom it concern:

Be it known that I, CARLETON ELLIs, a

' citizen of the United States, and resident of Larchmont, county of Westchester, and State'of New York, have invented certain new and useful Improvements Relating to Finish-Removers, of which the following is a specification.

This invention relates to finish removers and relates especially to non-inflammable finish removers comprising a relatively small proportion of carbon-tetraohlorid or other chlorinated solvents.

The coal tar derivative sold under the name of solvent naphtha is a valuable solvent for use in non-inflammable finish removers because of the comparatively small proportion of inflammable or explosive vapors which it emits as compared with most other active penetrating solvents. Solvent naphtha, which is the third distillate from coal tar as usually prepared has a specific gravity of about .875 and a flash point of about 80 degrees Fahrenheit and consists largely of xylol, cumol and mesitylene, about 90 per cent. distilling 0d at a temperature of 160 degrees centigrade. Solvent naphtha may be used in connection with other penetrating solvents, preferably of high flash point, such for example as petroleum naphtha free from kerosene and having a flash point of 105 degrees Fahrenheit or so and the loosening solvents incorporated should be preferably the alcohols or other loosening solvents having a relatively high flash and boiling pointand being substantially water-immiscible character so as to be relatively free from water which minimizes the hydrolytic decomposition of the chlorinated solvents employed, allyl, amyl and benzyl alcohols, for instance, being suitable loosening solvents for use in this connection and the somewhat similar loosening solvent, amyl acetate being desirable for these reasons and also as promoting the miscibility of the other ingredients. It is of course understood that other finish softening agents may be incorporated as well as waxy or other stiflening material.

A suitable illustrative composition may .be prepared by incorporating 410 parts of solvent naphtha, 1 parts oi petroleum naphtha tree from kerosene and having a flash-point of about 105 degrees Fahrenheit,

10 to 20 parts of carbon-tetrachlorid, 30 parts of allyl alcohol distilled above 65 degrees (l, 10 parts of benzyl alcohol and 5 parts of paraflin or ceresin wax, the ingredi ents being referably thoroughly incorporated at a slight increase of temperature.

Another desirable illustrative composition may comprise parts of solvent naphtha 25 parts of carbon-tetrachlorid, 20 parts oi amyl alcohol, 5 parts of amyl acetate and 4 to 5 parts of parafiin or similar wax.

Another illustrative composition may comprise 25 parts of solvent naphtha, 20 parts of petroleum naphtha of high flashpoint, 20 arts of carbon-tetrachlorid, 35 parts of a1 yl alcohol distilled above 65 degrees C. and 3 to 5 parts of paraflin or ceresm wax.

Another desirable composition may comprise 50 parts of solvent naphtha, 5 to 25 parts of carbon-tetrachlorid, 25 parts of oresol or creosote and 5 parts of parafiin.

By the use of even these small proportions of carbon-tetrachlorid the infiammability of the composition is sutliciently suppressed so as to be satisfactory for ordinary purposes, the relatively small proportion of carbon tetrachlorid being of course advantageous because minimizing the possibility of decomposition as well as reducing theprice of the remover.

' This invention has been described in connection with a number of illustrative ingredients, formulas, proportions and processes, to the details of which disclosure the invention is not, of course, to be limited.

\Vhat is claimed is 1. The finish remover comprising approximately 40 parts of solvent naphtha, 10 parts of petroleum naphtha substantially free from kerosene, between 10 and 20 parts of carbon-tetrachlorid, 30 parts of allyl a1- cohol distilling above 65 degrees centigrade, 10 parts benzyl alcohol and 5 parts of incorporated waxy stiffening material.

2. The finish remover comprising approximately 40 parts of solvent naphtha, between 10 and 20 parts of carbon-tetrachlorid, 30 parts of allyl alcohol distilling above 65 degrees centigrade, 10 parts of benzyl alcohol and incorporated stifiening material.

3. The substantially non-inflammable finish remover comprising approximately 40 parts of solvent naphtha, a considerable proportion though lessthan parts of carbontetrachlorid, 40 parts of substantially waterimmiscible alcoholic solvent comprising allyl alcohol and incorporated stiffening material.

4. The finish remover comprisin proximately 40 parts of solvent napht a, 10 parts of petroleum naphtha substantially free from kerosene, between 10 and 20 parts of carbon-tetrachlorid, parts of allyl alcohol distilling above 65 degrees centigrade and 10 parts of benzyl alcohol.

5. The finish remover comprising ap- 1 proximately parts of solvent naphtha, be-

tween 10 and 20 parts of carbon-tetrachlorid, 30 parts of allyl alcohol distilling above degrees centigrade, and lOparts of benzyl alcohol.

6. The substantially non-inflammable finish remover substantially consisting of relatively high boiling point organic finish solvent material comprisin 30 parts of solvent naphtha, between 10 an 20 parts of carbontetrachlorid, 40 parts of substantially waterimmisicble loosening solvent material, including benzyl alcohol and incorporated stiffening material.

CARLETON ELLIS. Witnesses:

HARRY L. DUNCAN, JESSIE B. KAY. 

